CVE-2014-8686

9.8 CRITICAL
Published: September 19, 2017 Modified: May 13, 2026
View on NVD

Description

CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption scheme when the Mcrypt extension for PHP is not available.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://beyondbinary.io/articles/seagate-nas-rce/
Source: cve@mitre.org
Exploit Third Party Advisory
https://codeigniter.com/userguide2/changelog.html
Source: cve@mitre.org
Vendor Advisory
http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://beyondbinary.io/articles/seagate-nas-rce/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://codeigniter.com/userguide2/changelog.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.dionach.com/blog/codeigniter-session-decoding-vulnerability
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
37.2%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

codeigniter